Published onMarch 15, 2026Embeddings Search at Scale — Approximate Nearest Neighbor Beyond Simple Similaritybackenddatabasevector-searchaisystem-designScale embeddings search with HNSW vs IVFFlat, batch generation, incremental updates, hybrid search, pre/post-filtering, caching, and dimension reduction.
Published onMarch 15, 2026Choosing a Vector Database — pgvector vs Pinecone vs Weaviate for Production RAGbackenddatabasevector-searchaisystem-designCompare pgvector (self-hosted), Pinecone (managed), and Weaviate for production RAG. Index strategies, filtering, cost, and migration patterns.
Published onMarch 15, 2026Vector Search With Filtering — Combining Semantic Search and Metadata Filters at Scalevector-searchfilteringragscalingMaster pre-filtering, HNSW payload filtering, pgvector filtering, hybrid scoring, and re-ranking to build fast, accurate semantic search at scale.